Effect of cognitive behavioral group therapy on rehabilitation of community patients with schizophrenia: A short-term randomized control trial

Table 3 Repeated measures analysis of variance on psychopathology, social function, activities of daily living and psychological condition of family members of patients with schizophrenia

Variables	Control group (n = 60), mean ± SD			Intervention group (n = 60), mean ± SD			Repeated measurement, F-test
	Before intervention	After intervention	4 wk after intervention	Before intervention	After intervention	4 wk after intervention	Main effect for groups (F, P value, η2partial)	Main effect for time points (F, P value, η2partial)	Group by time point interaction (F, P value, η2partial)
Overall score	101.67 ± 21.48	75.78 ± 19.36	57.90 ± 16.52	97.02 ± 24.40	68.15 ± 18.85	48.72 ± 11.28	F = 5.617, P = 0.019, η2partial = 0.045	F = 344.924, P = 0.000, η2partial = 0.855	F = 0.829, P = 0.439, η2partial = 0.014
Negative factor	35.00 ± 5.42	26.58 ± 5.83	19.77 ± 5.26	32.27 ± 7.48	24.05 ± 6.37	16.45 ± 4.22	F = 9.777, P = 0.002, η2partial = 0.077	F = 452.858, P = 0.000, η2partial = 0.886	F = 0.451, P = 0.638, η2partial = 0.008
Positive factor	14.45 ± 3.50	10.77 ± 3.01	8.07 ± 2.56	13.70 ± 3.53	9.60 ± 2.83	7.40 ± 1.43	F = 3.766, P = 0.055, η2partial = 0.031	F = 243.801, P = 0.000, η2partial = 0.420	F = 0.873, P = 0.420, η2partial = 0.015
Excitatory factor	10.53 ± 3.84	7.45 ± 2.89	5.85 ± 2.28	10.45 ± 3.52	6.85 ± 2.28	5.00 ± 1.29	F = 1.437, P = 0.233, η2partial = 0.012	F = 140.501, P = 0.000, η2partial = 0.451	F = 0.801, P = 0.451, η2partial = 0.014
Cognitive factor	22.75 ± 4.72	17.38 ± 4.35	13.45 ± 3.72	21.37 ± 5.61	15.37 ± 4.25	11.23 ± 2.83	F = 7.751, P = 0.006, η2partial = 0.062	F = 275.171, P = 0.000, η2partial = 0.825	F = 0.505, P = 0.605, η2partial = 0.009
Anxiety and depression factor	18.82 ± 6.04	13.70 ± 5.36	11.15 ± 4.31	18.45 ± 6.61	12.07 ± 4.82	8.77 ± 3.00	F = 3.409, P = 0.067, η2partial = 0.028	F = 153.796, P = 0.000, η2partial = 0.724	F = 2.130, P = 0.123, η2partial = 0.035
SDSS score	12.98 ± 3.55	11.1 ± 3.50	8.72 ± 3.82	12.82 ± 3.03	9.48 ± 3.23	6.18 ± 3.40	F = 5.798, P = 0.018, η2partial = 0.047	F = 593.573, P = 0.000, η2partial = 0.910	F = 30.062, P = 0.000, η2partial = 0.339
ADL score	20.13 ± 8.49	16.78 ± 3.95	16.25 ± 3.23	21.05 ± 8.94	16.90 ± 4.00	16.23 ± 2.99	F = 0.134, P = 0.715, η2partial = 0.001	F = 28.065, P = 0.000, η2partial = 0.324	F = 0.323, P = 0.724, η2partial = 0.005

Repeated measurement ANOVA, n = 60. PANSS: Positive and negative syndrome scale; SDSS: Social function deficiency screening scale; ADL: Activities of daily living.